| $150,000–350,000 | GRANT IRON & MOTORS, INC | SAINT LOUIS, MO | Midwest BankCentre |
| $150,000–350,000 | GRANT MEDICAL CLINIC MD'S PC | SAINT LOUIS, MO | PNC Bank, National Association |
| $350,000–1 million | GRAPHIC WORLD INCORPORATED | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | GRAVOIS PLANNING MILL | SAINT LOUIS, MO | Midwest BankCentre |
| $350,000–1 million | GRAY PAINTING, INC. | SAINT LOUIS, MO | UMB Bank, National Association |
| $350,000–1 million | GREAT CENTRAL LUMBER COMPANY | SAINT LOUIS, MO | UMB Bank, National Association |
| $350,000–1 million | GREAT WESTERN LUMBER COMPANY | SAINT LOUIS, MO | UMB Bank, National Association |
| $350,000–1 million | GREATER GOODS LLC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | GREATER ST. LOOUIS ORAL & MAXILLOFACIAL SURGERY PC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | GREATER THAN GAMES, LLC | SAINT LOUIS, MO | 1st Advantage Bank |
| $150,000–350,000 | GREEN PARK LUTHERAN SCHOOL | SAINT LOUIS, MO | Montgomery Bank |
| $2–5 million | GREENSFELDER, HEMKER, & GALE P.C. | SAINT LOUIS, MO | UMB Bank, National Association |
| $150,000–350,000 | GREENTREE COMMUNITY CHURCH | SAINT LOUIS, MO | Montgomery Bank |
| $150,000–350,000 | GRIFFITH ENTERPRISES LLC DBA HOME INSTEAD SENIOR CARE | SAINT LOUIS, MO | Arbor Bank |
| $150,000–350,000 | GRILLERS & SCOOPERS FOOD, INC. | SAINT LOUIS, MO | Midwest Regional Bank |
| $5–10 million | GRIMCO, INC. | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | GRIMES CONSULTING, INC. | SAINT LOUIS, MO | Parkside Financial Bank & Trust |
| $350,000–1 million | GROSS CHANDELIER COMPANY | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | GROSS FINANCIAL GROUP, LLC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | GROSS MECHANICAL CONTRACTORS | SAINT LOUIS, MO | Commerce Bank |
| $2–5 million | GROSS MECHANICAL INC | SAINT LOUIS, MO | Commerce Bank |
| $1–2 million | GROSSMAN IRON AND STEEL COMPANY | SAINT LOUIS, MO | Commerce Bank |
| $2–5 million | GROUP 360, INC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | GROUP SERVICES, LLC | SAINT LOUIS, MO | Triad Bank |
| $150,000–350,000 | GROUP TOURS INC | SAINT LOUIS, MO | Providence Bank |
| $150,000–350,000 | GROVE HQ, LLC | SAINT LOUIS, MO | The Bank of Houston |
| $150,000–350,000 | GROWE EISEN KARLEN EILERTS LLC | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | GROWING GREENS INC | SAINT LOUIS, MO | Simmons Bank |
| $350,000–1 million | GSI DIVERSIFIED, INC | SAINT LOUIS, MO | Busey Bank |
| $1–2 million | GUARANTEE INTERIORS, INC | SAINT LOUIS, MO | Carrollton Bank |
| $350,000–1 million | GUNTHER SALT COMPANY | SAINT LOUIS, MO | UMB Bank, National Association |
| $150,000–350,000 | GUSDORF LAW FIRM, LLC | SAINT LOUIS, MO | U.S. Bank, National Association |
| $350,000–1 million | GW&R, LLC | SAINT LOUIS, MO | St. Louis Bank |
| $150,000–350,000 | H FOREST PARK LLC | SAINT LOUIS, MO | Simmons Bank |
| $350,000–1 million | H&G SALES, INC. | SAINT LOUIS, MO | First Bank of the Lake |
| $150,000–350,000 | H&H HEALTH ASSOCIATES, INC | SAINT LOUIS, MO | Midwest BankCentre |
| $150,000–350,000 | H.F. EPSTEIN HEBREW ACADEMY | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | H.S.L., LLC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | H4 MANUFACTURING, LLC | SAINT LOUIS, MO | Regions Bank |
| $350,000–1 million | HABCO PARTNERSHIP INC | SAINT LOUIS, MO | Providence Bank |
| $2–5 million | HABERBERGER INC. MECHANICAL CONTRACTOR | SAINT LOUIS, MO | Midwest BankCentre |
| $350,000–1 million | HABITAT FOR HUMANITY SAINT LOUIS | SAINT LOUIS, MO | Peoples National Bank, National Association |
| $150,000–350,000 | HABITATA BUILDING PRODUCTS, LLC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | HACKETT SECURITY INC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | HAL WAGNER STUDIOS, INC | SAINT LOUIS, MO | Central Bank of St. Louis |
| $350,000–1 million | HALL TECHNOLOGIES, INC | SAINT LOUIS, MO | The Huntington National Bank |
| $150,000–350,000 | HAMMOND & SHINNERS PC | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | HAMPTON AVENUE INVESTMENT GROUP LLC | SAINT LOUIS, MO | Bank of Washington |
| $150,000–350,000 | HAMPTON SALT AND SMOKE LLC | SAINT LOUIS, MO | Triad Bank |
| $1–2 million | HANDI-CRAFT COMPANY | SAINT LOUIS, MO | The Northern Trust Company |
| $350,000–1 million | HANKINS CONSTRUCTION COMPANY | SAINT LOUIS, MO | Midwest BankCentre |
| $150,000–350,000 | HAPPYMEDIUM LLC | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | HARAMBEE, LLC | SAINT LOUIS, MO | Midwest BankCentre |
| $150,000–350,000 | HARBOUR GLEN INCORPORATED | SAINT LOUIS, MO | Commercial Bank |
| $150,000–350,000 | HARRIS TECHNOLOGIES, INC. | SAINT LOUIS, MO | BMO Harris Bank National Association |
| $350,000–1 million | HARTMAN WALSH CORPORATION | SAINT LOUIS, MO | Carrollton Bank |
| $1–2 million | HARTMAN-WALSH PAINTING COMPANY | SAINT LOUIS, MO | Carrollton Bank |
| $2–5 million | HARTWIG, INC. | SAINT LOUIS, MO | First Bank |
| $150,000–350,000 | HARVILA INC | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | HATS INC | SAINT LOUIS, MO | Bank of America, National Association |
| $150,000–350,000 | HAUK KRUSE & ASSOCIATES LLC | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | HAZZARD MOVING AND STORAGE COMPANY | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | HB REAL ESTATE ADVISORS LLC | SAINT LOUIS, MO | PNC Bank, National Association |
| $1–2 million | HBD CONSTRUCTION INC. | SAINT LOUIS, MO | FortuneBank |
| $150,000–350,000 | HC SHARP COMPANY | SAINT LOUIS, MO | Regions Bank |
| $2–5 million | HDH LLC | SAINT LOUIS, MO | Bank of Washington |
| $350,000–1 million | HEALTH EDUCATION AND RESEARCH AS | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | HEALTH LITERACY MEDIA | SAINT LOUIS, MO | BancorpSouth Bank |
| $150,000–350,000 | HEALTH TECHNOLOGIES INC | SAINT LOUIS, MO | Cass Commercial Bank |
| $150,000–350,000 | HEALTHY BYTES, INC. | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | HEALTHY MEAL CREATIONS INC | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | HEARTLAND INDUSTRIES INCORPORATED | SAINT LOUIS, MO | Carrollton Bank |
| $350,000–1 million | HEAT TRANSFER SYSTEMS INC | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | HEGELS LTD | SAINT LOUIS, MO | First Community CU |
| $150,000–350,000 | HEIDEREM INC | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | HELEN FITZGERALD'S IRISH GRILL AND PUB, INC. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | HEMPSTEAD FINANCIAL GROUP LLC | SAINT LOUIS, MO | PNC Bank, National Association |
| $350,000–1 million | HERITAGE EXPOSITION SERVICES, INC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | HERITAGE VETERINARY SERVICES INC. | SAINT LOUIS, MO | Triad Bank |
| $350,000–1 million | HERMANN OAK LEATHER COMPANY | SAINT LOUIS, MO | Commerce Bank |
| $1–2 million | HERRING IMPACT GROUP LLC | SAINT LOUIS, MO | St. Louis Bank |
| $150,000–350,000 | HESS MEAT MACHINES INC | SAINT LOUIS, MO | Simmons Bank |
| $350,000–1 million | HESSE MARTONE, P.C. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | HESSLER WORLDWIDE LLC | SAINT LOUIS, MO | First Bank |
| $150,000–350,000 | HIGGINBOTHAM BROS., INC. | SAINT LOUIS, MO | UMB Bank, National Association |
| $150,000–350,000 | HIGH PERFORMANCE STL | SAINT LOUIS, MO | State Bank of Waterloo |
| $150,000–350,000 | HILBOLDT CURTAINWALL INC | SAINT LOUIS, MO | Central Bank of St. Louis |
| $150,000–350,000 | HILL INVESTMENT GROUP, LLC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $1–2 million | HILLSIDE MANOR HEALTHCARE AND REHAB CENTER, LLC | SAINT LOUIS, MO | Fifth Third Bank |
| $150,000–350,000 | HITECH AUTOMATION INC. | SAINT LOUIS, MO | Commercial Bank |
| $150,000–350,000 | HJE SUBS LLC | SAINT LOUIS, MO | Lindell Bank & Trust Company |
| $150,000–350,000 | HM CAPITAL MANAGEMENT, LLC | SAINT LOUIS, MO | United Bank of Union |
| $350,000–1 million | HOF CONSTRUCTION, INC. | SAINT LOUIS, MO | BMO Harris Bank National Association |
| $150,000–350,000 | HOFFMAN BRICKER & ADAMS, P.C. | SAINT LOUIS, MO | Central Bank of St. Louis |
| $2–5 million | HOFFMANN BROTHERS HEATING & AIR CONDITIONING, INC | SAINT LOUIS, MO | First Bank |
| $150,000–350,000 | HOLLAND LAW FIRM LLC | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | HOLLYWOOD MOTOR CO | SAINT LOUIS, MO | Bank of Springfield |
| $350,000–1 million | HOLT ELECTRICAL SUPPLIES, INC. | SAINT LOUIS, MO | Midwest Regional Bank |
| $150,000–350,000 | HOLTKAMP, LIESE, SCHULTZ & KAFOURY, P.C. | SAINT LOUIS, MO | Central Bank of St. Louis |
| $1–2 million | HOLTZMAN ENTERPRISES, INC. | SAINT LOUIS, MO | Central Bank of St. Louis |